72800276957 has 4 divisors (see below), whose sum is σ = 72805688256. Its totient is φ = 72794865660.

The previous prime is 72800276953. The next prime is 72800276977. The reversal of 72800276957 is 75967200827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72800276957 - 2² = 72800276953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72800276899 and 72800276908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72800276953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2685419 + ... + 2712392.

It is an arithmetic number, because the mean of its divisors is an integer number (18201422064).

Almost surely, 2^72800276957 is an apocalyptic number.

It is an amenable number.

72800276957 is a deficient number, since it is larger than the sum of its proper divisors (5411299).

72800276957 is a wasteful number, since it uses less digits than its factorization.

72800276957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411298.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 72800276957 in words is "seventy-two billion, eight hundred million, two hundred seventy-six thousand, nine hundred fifty-seven".